TOP 2
Overhead Crane Manufacturer in China

Over 4,700 employees, including 200+ senior engineers.
Over 3,500 sets of processing and testing equipment.

Factory area

1,620,000

㎡

Annual Output

100,000+

Single Girder Overhead Crane

Lifting capacity

1t～20t

Lifting height

6m~18m

Span

9.5m～24m

Working duty

A4/A5

Main Beam

Steel plate: Q235-B, shot-blasted to Sa2½ grade.
The main beam use a welded box structure.

Trolley Power Supply

Uses section steel (C-shaped steel) track support, strong, durable, and lightweight.
Flat cable design with light weight and good flexibility.

Electrical Box

Protection grade: IP65.
Control box surface treated with anti-corrosion powder coating.

Electric Hoist

Low-headroom electric hoist, features a compact, frequency control.
Operating speed up to 20 m/min.

Crane End Truck

Equipped with a three-in-one drive unit and variable frequency speed control.
Low noise and maintenance-free operation.

Remote Control

Operated by ground remote control.
The remote control is independent of the electric hoist and can move along the sliding rail.

Crane Wheel Assembly

Wheel set made of high-strength alloy steel.
High load capacity＆Long service life.

Double Girder Overhead Crane

Lifting capacity

5t～125t

Lifting height

16m～26m

Span

10.5m~31.5m

Working duty

Main Beam

Steel plate: Q235-B, shot-blasted to Sa2½ grade.
The main beam use a welded box structure, optimized design reduces weight by 15–30%.

Electrical Box

Protection grade: IP55.
Equipped with aviation connectors and comprehensive electrical protection.

Crane Power Supply System

Compact, corrosion-resistant, insulated housing.
High conductivity, low voltage drop, lightweight, easy installation, maintenance-free.

Open Winch

The hoisting trolley features an open, lightweight, and compact winch design.
Efficient transmission, smooth handling, and low noise.

Crane End Truck

Frequency conversion technology with 1:10 speed ratio.
Compact three-in-one drive with hardened gear reducer.

Hoisting Drum

Made of steel drum.
Small rope deflection angle effectively prevents wear.

Crane Wheel Assembly

High load capacity＆Long service life.
Easy installation＆maintenance.

Industry Benchmark Cases of KUANGSHAN Overhead Cranes

XCMG Group Production and Manufacturing Workshop

Product: single girder overhead crane and double girder overhead crane
Independently developed intelligent cranes
Over 300 sets of cranes are applied in assembly, structure manufacturing, and material handling processes

100,000-ton High-Purity Polysilicon Project

Product: cleanroom explosion-proof cranes
A total of 54 sets of various cranes are used in semiconductor material workshops
Designed for cleanroom environments with air cleanliness level 4 (no more than 10,000 particles of 0.1μm per cubic meter)

Intelligent Upgrade Project of Yancheng Port Logistics Center

Product: intelligent double girder overhead crane
Enables remote monitoring, fault warning, and intelligent scheduling
108 sets of cranes are applied in an intelligent warehousing workshop at Yancheng Port

Key Chinese Hydropower Project

Product: 125t double girder overhead cranes
Multi-lifting point synchronous control with automatic balance adjustment
Multiple sets of cranes are used for hoisting underground pump station units in this project

Construction of Molten Metal Workshop in Ironmaking Plant

Product: 450t four-girder four-rail ladle overhead crane
Large-tonnage, wide-span design with a four-girder, four-rail structure
Used for molten metal handling in steelmaking and ironmaking processes

Automated Upgrade for Cast Pipe Handling

Product: 10+10T electromagnetic overhead crane
Fully automated operation with electro-permanent magnetic spreader
Used for lifting and transferring cast pipes on the production line

CASC Fourth Academy

Product: 160t+160t explosion-proof overhead crane
Dual-trolley design enables synchronous lifting and workpiece overturning operations
20 sets of large-span European standard cranes provide equipment support for material manufacturing in China's aerospace engineering

250,000-ton Rotary Hearth Furnace Project of a Steel Plant

Product: unmanned grab overhead crane
Unmanned operation with positioning accuracy within 5 mm
Used for raw material handling in the rotary hearth furnace steelmaking process

ISO Crane Industry Standard Developer

Intellectual Property Management System Certification

Standard No.

Issuing Organization

Standard Title

Date of Issue

ISO 12210:2021

ISO/TC96/SC9

Cranes — Anchoring devices for in-service and out-of-service conditions

2022-03-08

ISO 7752-5:2021

ISO/TC96/SC9

Cranes — Control layout and characteristics — Part 5: Bridge and gantry cranes

2022-03-08

ISO 9374-5:2021

ISO/TC96/SC9

Cranes — Information to be provided —Part 5: Overhead travelling cranes and portal bridge cranes

2022-03-08

GB/T 23723.5-2025

China

Cranes — Safe use-Part 5: Bridge and gantry cranes

2025-01-24

GB/T 20776-2023

China

Classification for lifting appliances

2023-12-28

Over 700 Crane-Related Patents and Technological Achievements

The KUANGSHAN CRANE technical team comprises more than 10 renowned industry experts and over 200 intermediate and senior engineers, with more than 700 patents and technological achievements. Covering structural design, drive systems, automation, and safety innovations. These advancements ensure efficient, reliable, and customized lifting solutions across industries.

All patents can be verified through the China National Intellectual Property Administration (CNIPA)

Single-Drum Electric Hoist and Crane Using the Same (ZL 2010 2 0245888.2)
A Crane Hoisting Mechanism, Crane Pulley Beam, and Crane (ZL 2014 1 0716769.3)
Double-Girder Crane Main Beam and Double-Girder Crane Using the Same (ZL 2010 20575150.2)
Bridge Crane Trolley for Mining Applications (ZL 2011 1 0098111.7)